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Q. No.Which of the following characteristics is used as a basis for the classification of animals into different phyla?
| 1. | Presence of feathers |
| 2. | Mode of reproduction |
| 3. | Type of respiratory system |
| 4. | Body plan and symmetry |
Subtopic: Basis of Classification |
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On what basis are animals classified in the animal kingdom?
| 1. | Presence or absence of a coelom. |
| 2. | Type of respiratory system. |
| 3. | Habitat and niche. |
| 4. | Color and size of the animal. |
Subtopic: Basis of Classification |
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Level 1: 80%+
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Consider the given two statements:
1. Statement I is correct; Statement II is correct
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | All members of Animalia are multicellular. |
| Statement II: | All members of Animalia exhibit the same pattern of organisation of cells. |
2. Statement I is correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Basis of Classification |
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Level 2: 60%+
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Consider the given two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but Statement II is incorrect.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is incorrect but Statement II is correct.
| Statement I: | Sponges exhibit a cellular level of organization. |
| Statement II: | Cnidarians have a tissue level of organization. |
1. Statement I is correct but Statement II is incorrect.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic: Phylum Porifera |
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Annelids, Arthropods, Molluscs, Echinoderms and Chordates are all:
I: eucoelomates [having true coelom].
II: animals having organ system level of organisation.
I: eucoelomates [having true coelom].
II: animals having organ system level of organisation.
| 1. | Only I is correct | 2. | Only II is correct |
| 3. | Both I and II are correct | 4. | Both I and II are incorrect |
Subtopic: Basis of Classification:I |
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Identify the correct statements:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | The digestive system in Platyhelminthes has only a single opening to the outside of the body that serves as both mouth and anus, and is hence called incomplete. |
| II: | In open type circulation, the blood is pumped out of the heart and the cells and tissues are directly bathed in it. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Basis of Classification |
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The type of circulatory system, in which blood is circulated through a series of vessels [arteries, veins and capillaries] and never leaves the network of blood vessels, is called as:
| 1. | An open circulatory system | 2. | A closed circulatory system |
| 3. | A lymphatic system | 4. | A portal circulation |
Subtopic: Basis of Classification |
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Level 1: 80%+
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Regarding bilateral symmetry:
In light of the above statements, choose the most appropriate answer from the options given below:
1. Statement I is correct but Statement II is incorrect.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is incorrect but Statement II is correct.
| I: | Bilateral symmetry is the body plan where the body of the animal can be divided into two identical halves through any plane passing through the central axis of the body. |
| II: | While Ctenophores and adult Echinoderms have bilateral symmetry, Annelida and Arthropods have radial symmetry. |
1. Statement I is correct but Statement II is incorrect.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic: Basis of Classification |
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Level 2: 60%+
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Consider the given two statements:
| Statement I: | Coelenterates, ctenophores and echinoderms have bilateral symmetry as larvae and radial symmetry as adults. |
| Statement II: | Animals like annelids and arthropods exhibit bilateral symmetry. |
| 1. | Statement I is correct; Statement II is incorrect |
| 2. | Statement I is correct; Statement II is correct |
| 3. | Statement I is incorrect; Statement II is incorrect |
| 4. | Statement I is incorrect; Statement II is correct |
Subtopic: Basis of Classification |
83%
Level 1: 80%+
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The triploblastic animals differ from the diploblastic animals in having:
| 1. | Ectoderm | 2. | Mesoderm |
| 3. | Endoderm | 4. | Gastroderm |
Subtopic: Basis of Classification |
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Level 1: 80%+
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